bug(YouTube - Spoof video streams): Spoofing client "iOS" doesn't work

[kitadai31]

Bug description

Step 1. Go to Settings > ReVanced > Miscellaneous > Spoof video streams
Step 2. Change default client to "iOS"

It will always be Android VR.

As a result, I cannot change audio tracks.

(Environments: YouTube v19.45.38, Patches v5.1.0)

Error logs

D/revanced: StreamingDataRequest: Fetching video streams for: Xj0Jtjg3lHQ using client: IOS
I/revanced: StreamingDataRequest: IOS not available with response code: 400 message: Bad Request
D/revanced: StreamingDataRequest: video: Xj0Jtjg3lHQ took: 72ms
D/revanced: StreamingDataRequest: Fetching video streams for: Xj0Jtjg3lHQ using client: ANDROID_VR
D/revanced: StreamingDataRequest: video: Xj0Jtjg3lHQ took: 186ms
D/revanced: SpoofVideoStreamsPatch: Overriding video stream: Xj0Jtjg3lHQ

Solution

No response

Additional context

This issue may only be affecting users who are already experiencing a 400 error when spoofing to iOS with the old "Spoof client" patch.

I have two phones, one gives a 400 error with the old "Spoof client" patch (set to iOS), but the other does not.
The former phone has this issue ("Spoof video streams" patch cannot use iOS client), but the latter phone doesn't have this issue.

The commonality between "Spoof client" and "Spoof stream data" is that both cause 400 errors with iOS client and not with Android VR client.

Acknowledgements

• I have checked all open and closed bug reports and this is not a duplicate.
• I have chosen an appropriate title.
• All requested information has been provided properly.

[oSumAtrIX]

Related: yt-dlp/yt-dlp#11640

[LisoUseInAIKyrios]

Resolved in the latest release